Home / 8,585,427.90-12,878,141.85-2,196,180.30

Finding the Fourth Proportional to 8,585,427.90, 12,878,141.85 and 2,196,180.30

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Solution

The fourth proportional to 8,585,427.90, 12,878,141.85 and 2,196,180.30 is: 3,294,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585,427.90 : 12,878,141.85 = 2,196,180.30 : x
  2. Step 2: Convert to fraction form
    8,585,427.90/12,878,141.85 = 2,196,180.30/x
  3. Step 3: Cross multiply
    8,585,427.90x = 12,878,141.85 × 2,196,180.30
  4. Step 4: Simplify right side
    8,585,427.90x = 28,282,721,431,575.55
  5. Step 5: Solve for x
    x = 28,282,721,431,575.55/8,585,427.90
  6. Step 6: Final answer
    x = 3,294,270.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.